#ifndef __MY_USART_H
#define __MY_USART_H
#include "stdio.h"
#include "stm32f10x.h"

extern char usart_readbuffer[30];

void usart_init(uint32_t bound);
void usart_senddatas(USART_TypeDef* USARTx,uint8_t* addr,int size);
void Myprintf (const char *str, ...);


#endif
